5 files changed, 528 insertions, 3 deletions
diff --git a/users/tazjin/predlozhnik/Cargo.lock b/users/tazjin/predlozhnik/Cargo.lock
index cf08a1f510d5..4adb5c01ae79 100644
--- a/users/tazjin/predlozhnik/Cargo.lock
+++ b/users/tazjin/predlozhnik/Cargo.lock
@@ -3,12 +3,192 @@
 version = 3
 
 [[package]]
+name = "autocfg"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
+
+[[package]]
+name = "boolinator"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cfa8873f51c92e232f9bac4065cddef41b714152812bfc5f7672ba16d6ef8cd9"
+
+[[package]]
+name = "bumpalo"
+version = "3.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "37ccbd214614c6783386c1af30caf03192f17891059cecc394b4fb119e363de3"
+
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
+[[package]]
+name = "console_error_panic_hook"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a06aeb73f470f66dcdbf7223caeebb85984942f22f1adb2a088cf9668146bbbc"
+dependencies = [
+ "cfg-if",
+ "wasm-bindgen",
+]
+
+[[package]]
+name = "gloo"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23947965eee55e3e97a5cd142dd4c10631cc349b48cecca0ed230fd296f568cd"
+dependencies = [
+ "gloo-console",
+ "gloo-dialogs",
+ "gloo-events",
+ "gloo-file",
+ "gloo-render",
+ "gloo-storage",
+ "gloo-timers",
+ "gloo-utils",
+]
+
+[[package]]
+name = "gloo-console"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3907f786f65bbb4f419e918b0c5674175ef1c231ecda93b2dbd65fd1e8882637"
+dependencies = [
+ "js-sys",
+ "serde",
+ "wasm-bindgen",
+ "web-sys",
+]
+
+[[package]]
+name = "gloo-dialogs"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "67062364ac72d27f08445a46cab428188e2e224ec9e37efdba48ae8c289002e6"
+dependencies = [
+ "wasm-bindgen",
+ "web-sys",
+]
+
+[[package]]
+name = "gloo-events"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "68b107f8abed8105e4182de63845afcc7b69c098b7852a813ea7462a320992fc"
+dependencies = [
+ "wasm-bindgen",
+ "web-sys",
+]
+
+[[package]]
+name = "gloo-file"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8d5564e570a38b43d78bdc063374a0c3098c4f0d64005b12f9bbe87e869b6d7"
+dependencies = [
+ "gloo-events",
+ "js-sys",
+ "wasm-bindgen",
+ "web-sys",
+]
+
+[[package]]
+name = "gloo-render"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2fd9306aef67cfd4449823aadcd14e3958e0800aa2183955a309112a84ec7764"
+dependencies = [
+ "wasm-bindgen",
+ "web-sys",
+]
+
+[[package]]
+name = "gloo-storage"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1caa4ba51c99de680dee3ad99c32ca45e9f13311be72079154d222c3f9a6b6f5"
+dependencies = [
+ "gloo-utils",
+ "js-sys",
+ "serde",
+ "serde_json",
+ "thiserror",
+ "wasm-bindgen",
+ "web-sys",
+]
+
+[[package]]
+name = "gloo-timers"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5fb7d06c1c8cc2a29bee7ec961009a0b2caa0793ee4900c2ffb348734ba1c8f9"
+dependencies = [
+ "js-sys",
+ "wasm-bindgen",
+]
+
+[[package]]
+name = "gloo-utils"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "929c53c913bb7a88d75d9dc3e9705f963d8c2b9001510b25ddaf671b9fb7049d"
+dependencies = [
+ "js-sys",
+ "wasm-bindgen",
+ "web-sys",
+]
+
+[[package]]
+name = "hashbrown"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
+
+[[package]]
+name = "indexmap"
+version = "1.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "10a35a97730320ffe8e2d410b5d3b69279b98d2c14bdb8b70ea89ecf7888d41e"
+dependencies = [
+ "autocfg",
+ "hashbrown",
+]
+
+[[package]]
+name = "itoa"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "112c678d4050afce233f4f2852bb2eb519230b3cf12f33585275537d7e41578d"
+
+[[package]]
+name = "js-sys"
+version = "0.3.58"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c3fac17f7123a73ca62df411b1bf727ccc805daa070338fda671c86dac1bdc27"
+dependencies = [
+ "wasm-bindgen",
+]
+
+[[package]]
 name = "lazy_static"
 version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
+name = "log"
+version = "0.4.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "abb12e687cfb44aa40f41fc3978ef76448f9b6038cad6aef4259d3c095a2382e"
+dependencies = [
+ "cfg-if",
+]
+
+[[package]]
 name = "maplit"
 version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -20,4 +200,254 @@ version = "0.1.0"
 dependencies = [
  "lazy_static",
  "maplit",
+ "wasm-bindgen",
+ "yew",
+]
+
+[[package]]
+name = "proc-macro-error"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
+dependencies = [
+ "proc-macro-error-attr",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "version_check",
+]
+
+[[package]]
+name = "proc-macro-error-attr"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "version_check",
+]
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.42"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c278e965f1d8cf32d6e0e96de3d3e79712178ae67986d9cf9151f51e95aac89b"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3bcdf212e9776fbcb2d23ab029360416bb1706b1aea2d1a5ba002727cbcab804"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "ryu"
+version = "1.0.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f3f6f92acf49d1b98f7a81226834412ada05458b7364277387724a237f062695"
+
+[[package]]
+name = "scoped-tls-hkt"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c2e9d7eaddb227e8fbaaa71136ae0e1e913ca159b86c7da82f3e8f0044ad3a63"
+
+[[package]]
+name = "serde"
+version = "1.0.140"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc855a42c7967b7c369eb5860f7164ef1f6f81c20c7cc1141f2a604e18723b03"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.140"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f2122636b9fe3b81f1cb25099fcf2d3f542cdb1d45940d56c713158884a05da"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "serde_json"
+version = "1.0.82"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "82c2c1fdcd807d1098552c5b9a36e425e42e9fbd7c6a37a8425f390f781f7fa7"
+dependencies = [
+ "itoa",
+ "ryu",
+ "serde",
+]
+
+[[package]]
+name = "slab"
+version = "0.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4614a76b2a8be0058caa9dbbaf66d988527d86d003c11a94fbd335d7661edcef"
+dependencies = [
+ "autocfg",
+]
+
+[[package]]
+name = "syn"
+version = "1.0.98"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c50aef8a904de4c23c788f104b7dddc7d6f79c647c7c8ce4cc8f73eb0ca773dd"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "thiserror"
+version = "1.0.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd829fe32373d27f76265620b5309d0340cb8550f523c1dda251d6298069069a"
+dependencies = [
+ "thiserror-impl",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0396bc89e626244658bef819e22d0cc459e795a5ebe878e6ec336d1674a8d79a"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "15c61ba63f9235225a22310255a29b806b907c9b8c964bcbd0a2c70f3f2deea7"
+
+[[package]]
+name = "version_check"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
+
+[[package]]
+name = "wasm-bindgen"
+version = "0.2.81"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7c53b543413a17a202f4be280a7e5c62a1c69345f5de525ee64f8cfdbc954994"
+dependencies = [
+ "cfg-if",
+ "serde",
+ "serde_json",
+ "wasm-bindgen-macro",
+]
+
+[[package]]
+name = "wasm-bindgen-backend"
+version = "0.2.81"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5491a68ab4500fa6b4d726bd67408630c3dbe9c4fe7bda16d5c82a1fd8c7340a"
+dependencies = [
+ "bumpalo",
+ "lazy_static",
+ "log",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-futures"
+version = "0.4.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "de9a9cec1733468a8c657e57fa2413d2ae2c0129b95e87c5b72b8ace4d13f31f"
+dependencies = [
+ "cfg-if",
+ "js-sys",
+ "wasm-bindgen",
+ "web-sys",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.81"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c441e177922bc58f1e12c022624b6216378e5febc2f0533e41ba443d505b80aa"
+dependencies = [
+ "quote",
+ "wasm-bindgen-macro-support",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.81"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7d94ac45fcf608c1f45ef53e748d35660f168490c10b23704c7779ab8f5c3048"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-backend",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.81"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a89911bd99e5f3659ec4acf9c4d93b0a90fe4a2a11f15328472058edc5261be"
+
+[[package]]
+name = "web-sys"
+version = "0.3.58"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2fed94beee57daf8dd7d51f2b15dc2bcde92d7a72304cdf662a4371008b71b90"
+dependencies = [
+ "js-sys",
+ "wasm-bindgen",
+]
+
+[[package]]
+name = "yew"
+version = "0.19.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2a1ccb53e57d3f7d847338cf5758befa811cabe207df07f543c06f502f9998cd"
+dependencies = [
+ "console_error_panic_hook",
+ "gloo",
+ "gloo-utils",
+ "indexmap",
+ "js-sys",
+ "scoped-tls-hkt",
+ "slab",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+ "yew-macro",
+]
+
+[[package]]
+name = "yew-macro"
+version = "0.19.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5fab79082b556d768d6e21811869c761893f0450e1d550a67892b9bce303b7bb"
+dependencies = [
+ "boolinator",
+ "lazy_static",
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
diff --git a/users/tazjin/predlozhnik/Cargo.toml b/users/tazjin/predlozhnik/Cargo.toml
index 316ed717ebba..a47503533b14 100644
--- a/users/tazjin/predlozhnik/Cargo.toml
+++ b/users/tazjin/predlozhnik/Cargo.toml
@@ -6,3 +6,7 @@ edition = "2021"
 [dependencies]
 maplit = "1.0"
 lazy_static = "1.4"
+yew = "0.19"
+
+# needs to be in sync with nixpkgs
+wasm-bindgen = "= 0.2.81"
diff --git a/users/tazjin/predlozhnik/default.nix b/users/tazjin/predlozhnik/default.nix
new file mode 100644
index 000000000000..2137be111278
--- /dev/null
+++ b/users/tazjin/predlozhnik/default.nix
@@ -0,0 +1,52 @@
+{ lib, pkgs, ... }:
+
+let
+  wasmRust = pkgs.rust-bin.stable.latest.default.override {
+    targets = [ "wasm32-unknown-unknown" ];
+  };
+
+  cargoToml = with builtins; fromTOML (readFile ./Cargo.toml);
+
+  wasmBindgenMatch =
+    cargoToml.dependencies.wasm-bindgen == "= ${pkgs.wasm-bindgen-cli.version}";
+
+  assertWasmBindgen = assert (lib.assertMsg wasmBindgenMatch ''
+    Due to instability in the Rust WASM ecosystem, the trunk build
+    tool enforces that the Cargo-dependency version of `wasm-bindgen`
+    MUST match the version of the CLI supplied in the environment.
+
+    This can get out of sync when nixpkgs is updated. To resolve it,
+    wasm-bindgen must be bumped in the Cargo.toml file and cargo needs
+    to be run to resolve the dependencies.
+
+    Versions of `wasm-bindgen` in Cargo.toml:
+
+      Expected: '= ${pkgs.wasm-bindgen-cli.version}'
+      Actual:   '${cargoToml.dependencies.wasm-bindgen}'
+  ''); pkgs.wasm-bindgen-cli;
+
+  deps = with pkgs; [
+    binaryen
+    sass
+    wasmRust
+    trunk
+    assertWasmBindgen
+  ];
+
+in
+pkgs.rustPlatform.buildRustPackage rec {
+  pname = "predlozhnik";
+  version = "canon";
+  src = lib.cleanSource ./.;
+  cargoLock.lockFile = ./Cargo.lock;
+
+  buildPhase = ''
+    export PATH=${lib.makeBinPath deps}:$PATH
+    mkdir home
+    export HOME=$PWD/.home
+    env
+    trunk build --release -d $out
+  '';
+
+  dontInstall = true;
+}
diff --git a/users/tazjin/predlozhnik/index.html b/users/tazjin/predlozhnik/index.html
new file mode 100644
index 000000000000..a5b112ea32d5
--- /dev/null
+++ b/users/tazjin/predlozhnik/index.html
@@ -0,0 +1,7 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8" />
+    <title>Предложник</title>
+  </head>
+</html>
diff --git a/users/tazjin/predlozhnik/src/main.rs b/users/tazjin/predlozhnik/src/main.rs
index 73b19201fbb4..ba9eed25cbbd 100644
--- a/users/tazjin/predlozhnik/src/main.rs
+++ b/users/tazjin/predlozhnik/src/main.rs
@@ -1,6 +1,9 @@
+use yew::prelude::*;
+
 use lazy_static::lazy_static;
 use maplit::hashmap;
 use std::collections::HashMap;
+use std::fmt::Write;
 
 #[derive(Debug, Hash, PartialEq, Eq)]
 enum Падеж {
@@ -95,11 +98,40 @@ lazy_static! {
     };
 }
 
-fn main() {
+fn example_output() -> String {
+    let mut out = String::new();
+
     for (пд, пги) in &*ПО_ПАДЕЖУ {
-        println!("Падеж: {:?}", пд);
+        write!(out, "Падеж: {:?}\n", пд).ok();
         for п in пги {
-            println!("\t{}", п);
+            write!(out, "\t{}\n", п).ok();
         }
     }
+
+    out
+}
+
+struct Model(());
+
+impl Component for Model {
+    type Message = ();
+    type Properties = ();
+
+    fn create(_ctx: &Context<Self>) -> Self {
+        Self(())
+    }
+
+    fn update(&mut self, _ctx: &Context<Self>, _msg: Self::Message) -> bool {
+        false
+    }
+
+    fn view(&self, _ctx: &Context<Self>) -> Html {
+        html! {
+            <pre>{example_output()}</pre>
+        }
+    }
+}
+
+fn main() {
+    yew::start_app::<Model>();
 }